/* 기본 배경 (얕은 바다에서 깊은 바다로) */
body {
    background: linear-gradient(180deg, #87CEEB 0%, #20B2AA 50%, #000080 100%);
    color: #ffffff;
    font-family: 'Malgun Gothic', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.map-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px 20px;
    text-align: center;
}

/* 레벨 맵 레이아웃 */
.level-path {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 50px;
    position: relative;
}

/* 각 레벨 노드 (기본 디자인) */
.level-node {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 25px;
    display: flex;
    align-items: center;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

/* 상태별 디자인 변경 */
.level-node.completed {
    border-color: #4CAF50;
    opacity: 0.85;
}

.level-node.current {
    border-color: #FFD700;
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 25px rgba(255, 215, 0, 0.6);
}

.level-node.locked {
    opacity: 0.4;
    filter: grayscale(100%);
}

.node-icon {
    font-size: 50px;
    margin-right: 20px;
    min-width: 60px;
}

.node-info {
    text-align: left;
}

.node-info h2 {
    margin: 0 0 5px 0;
    font-size: 20px;
}

.node-info p {
    margin: 0;
    font-size: 15px;
    color: #E0F7FA;
}

/* 미션 버튼 */
.mission-btn {
    margin-top: 15px;
    background-color: #FF9800;
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    transition: background-color 0.2s;
}

.mission-btn:hover {
    background-color: #F57C00;
}